Calcutta, Nov. 25: Ashok Gupta will be the state chief secretary after S.. Roy retires on November 30.

The government today issued an order saying Gupta, the secretary of development and planning, will replace Roy, who held the post for the past two years. PWD secretary Swapan Chakroborty will replace Gupta. Kalyani Chowdhury will be the new PWD secretary.